Best Free Photo Editing Software Programs in World

1  Picasa
2  Photoscape
3  GIMP
4  PhotoPad Image Editor
5  Serif PhotoPlus
6  Paint.NET
7  Photo Pos Pro
8  PhotoFiltre
9  Pixia
10  Ultimate Paint
11  PaintStar
12  IrfanView
13  FastStone Image Viewer
14  Photobie
15  RawTherapee
16  digiKam